Home / 228,288.93-315,165.41-137,667.85

Finding the Fourth Proportional to 228,288.93, 315,165.41 and 137,667.85

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Solution

The fourth proportional to 228,288.93, 315,165.41 and 137,667.85 is: 190,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,288.93 : 315,165.41 = 137,667.85 : x
  2. Step 2: Convert to fraction form
    228,288.93/315,165.41 = 137,667.85/x
  3. Step 3: Cross multiply
    228,288.93x = 315,165.41 × 137,667.85
  4. Step 4: Simplify right side
    228,288.93x = 43,388,143,945.32
  5. Step 5: Solve for x
    x = 43,388,143,945.32/228,288.93
  6. Step 6: Final answer
    x = 190,058.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.